2757 papers
Explore the fascinating intersection where quantum materials meet the complexity of everyday environments in the Cond-Mat — Mes-Hall section. This field investigates how tiny particles behave when caught between the orderly world of single atoms and the chaotic nature of bulk matter, revealing the hidden rules that govern electricity, magnetism, and heat in novel substances.
Gist.Science brings these cutting-edge discoveries to you directly from arXiv, the leading repository for physics preprints. We process every new submission in this category as soon as it appears, offering both straightforward, plain-language explanations and deep technical summaries to help researchers and curious minds alike grasp the latest breakthroughs without getting lost in dense equations.
Below are the most recent papers in this dynamic area of condensed matter physics, ready for you to explore.
This study employs many-body theoretical approaches to demonstrate that encapsulating oligothiophene molecules within boron-nitride nanotubes significantly alters their optoelectronic properties through dielectric screening and structural relaxation, rather than merely providing a passive protective environment.
This paper introduces a Raman-detected quantum dot microscopy technique that utilizes tip-enhanced Raman scattering intensity to map nanoscale electrostatic potentials with quantitative equivalence to established force spectroscopy, offering a faster and less complex alternative driven by transitions between resonant and non-resonant scattering regimes.
This paper establishes time-optimal "bang-bang" control protocols for high-fidelity single-qubit gates in multilevel systems, demonstrating through analytic derivation and fluxonium simulations that these discrete pulse sequences significantly outperform standard resonant schemes by minimizing gate duration while suppressing leakage errors and maintaining robustness against noise.
This paper reports the realization of a gate-defined quantum point contact in bilayer graphene proximitized by aluminum, demonstrating that one-dimensional transport modes govern both the equilibrium proximity effect, evidenced by enhanced conductance plateaus, and non-equilibrium dynamics, characterized by a mode-dependent switching current and Andreev excess current collapse.
This paper demonstrates that by leveraging strong spin-orbit interaction in germanium hole spin qubits and utilizing full vector magnetic field control, researchers can engineer anisotropic exchange interactions to continuously tune the interaction Hamiltonian, enabling the realization of native single-pulse iSWAP gates and facilitating spin-based quantum simulation.
This study demonstrates that analytical vortex models can effectively reduce polarized magnetic small-angle neutron scattering data from polycrystalline iron oxide nanoflowers to a small set of texture descriptors, revealing that intergrain exchange coupling and anisotropy-axis coherence distinctly govern the radial and orientational characteristics of the magnetic vortex states, respectively.
This paper proposes a model where broken surface symmetries induce spin-orbit coupling in a Néel-ordered antiferromagnet, generating a weak ferromagnetic moment confined to the crystal surface that produces a finite Kerr effect despite a zero Faraday effect.
This paper proposes and analyzes a scheme using a nonlinear Josephson element to engineer a photon-number-conserving cooling mechanism for a one-dimensional microwave photon gas, enabling the preparation of sub-millikelvin nonequilibrium steady states and a novel condensation transition.
This paper proposes using open system probes, such as a qubit coupled to a transverse-field Ising model, to characterize quantum many-body systems by mapping long-range spatial correlations onto dynamical probe correlations, thereby enabling the identification of renormalization group fixed points, scaling dimensions, and flow behaviors.
This paper demonstrates a coherently enhanced, shot-noise-limited readout of angular displacement in a nanomechanical oscillator using an integrated guided mode resonance (GMR) structure, achieving high signal-to-noise ratios with minimal optical power to resolve thermal motion for quantum optomechanical sensing.